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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2007-10-16 23:25:46 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-17 08:42:45 -0700
commite0bf68ddec4f4f90e5871404be4f1854c17f3120 (patch)
tree36203a3558cbe26d698bed18be69b3822fb5eef2 /fs/hugetlbfs
parentdc62a30e274d003a4d08fb888f1520add4b21373 (diff)
downloadop-kernel-dev-e0bf68ddec4f4f90e5871404be4f1854c17f3120.zip
op-kernel-dev-e0bf68ddec4f4f90e5871404be4f1854c17f3120.tar.gz
mm: bdi init hooks
provide BDI constructor/destructor hooks [akpm@linux-foundation.org: compile fix] Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/hugetlbfs')
-rw-r--r--fs/hugetlbfs/inode.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 04598e1..0d9a205 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -974,11 +974,15 @@ static int __init init_hugetlbfs_fs(void)
int error;
struct vfsmount *vfsmount;
+ error = bdi_init(&hugetlbfs_backing_dev_info);
+ if (error)
+ return error;
+
hugetlbfs_inode_cachep = kmem_cache_create("hugetlbfs_inode_cache",
sizeof(struct hugetlbfs_inode_info),
0, 0, init_once);
if (hugetlbfs_inode_cachep == NULL)
- return -ENOMEM;
+ goto out2;
error = register_filesystem(&hugetlbfs_fs_type);
if (error)
@@ -996,6 +1000,8 @@ static int __init init_hugetlbfs_fs(void)
out:
if (error)
kmem_cache_destroy(hugetlbfs_inode_cachep);
+ out2:
+ bdi_destroy(&hugetlbfs_backing_dev_info);
return error;
}
@@ -1003,6 +1009,7 @@ static void __exit exit_hugetlbfs_fs(void)
{
kmem_cache_destroy(hugetlbfs_inode_cachep);
unregister_filesystem(&hugetlbfs_fs_type);
+ bdi_destroy(&hugetlbfs_backing_dev_info);
}
module_init(init_hugetlbfs_fs)
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